Answer:
-19 - 4 = -23. y = 20
Step-by-step explanation:
y=-115
y/5+4=-19
y/5=-23
perimeter = 2L + 2w
56 = 2(12) + 2w
56 = 24 + 2w
32=2w
w = 32/2 = 16
16 +16 + 12 + 12 =56
width is 16 inches
x= 7
